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echophon - a dual play head crossfading pitchshifter with saturating feedback and delay memory of at least 1.5s. can pitchshift, chorus, comb filter, detune, barberpole shift, etc. can also do plain old echos, loops and flying saucers.
my plugin +pitchdelay is pretty close to it... download from http://www.soundhack.com (freeware section) if you'd like to listen...
Gotta get one!
Beautiful broken machine.
hawklord2112 wrote:
then again my first two modules were a vca and PLL, wth do i know?
bodo wrote:While +pitchdelay is obviously great, does that mean that more is to come from your DSP algo's?
if echophon works out well, i could certainly see doing some others. not all my code lends itself well to modular, but some would be really great. a lot of the code i've done is really heavy on the dsp usage - so i will be shopping for chips at namm.....
but sure - i'd love to see a granular vocoder or convolved string resonator!
Made me think of a more general question though. I know most delays can be made to do pitch-shifting of sorts, depending on what controls are available. But is there a reason that they pitch-shift instead of frequency-shift (or do they)? Is it the clock chip quantizing the frequencies, or something like that?
Made me think of a more general question though. I know most delays can be made to do pitch-shifting of sorts, depending on what controls are available. But is there a reason that they pitch-shift instead of frequency-shift (or do they)? Is it the clock chip quantizing the frequencies, or something like that?
a modulated delay creates pitch shift because it is simply modulating the time base - all frequencies get multiplied by the same factor. the same thing happens with doppler shift.
ring modulation and ssb modulation frequency shift because the slope of the modulator is being added to the modulated waveform. essentially you are modulating both the time base and amplitude...
Made me think of a more general question though. I know most delays can be made to do pitch-shifting of sorts, depending on what controls are available. But is there a reason that they pitch-shift instead of frequency-shift (or do they)? Is it the clock chip quantizing the frequencies, or something like that?
a modulated delay creates pitch shift because it is simply modulating the time base - all frequencies get multiplied by the same factor. the same thing happens with doppler shift.
ring modulation and ssb modulation frequency shift because the slope of the modulator is being added to the modulated waveform. essentially you are modulating both the time base and amplitude...
Okay, that makes perfect sense, thanks. I knew the answer would be maths.
